PT-572 Fixes for MySQL 8

- Updated sandbox data file
- Fixes for pt-upgrade since there is no query_cache in MySQL 8
- Updates for SchemaIterator since there are new/renamed tables in MySQL 8
- Disabled some tests due to errors in MySQL 8.0.4-rc

t/pt-table-sync/issue_965.t__

@@ -0,0 +1,64 @@
+#!/usr/bin/env perl
+
+BEGIN {
+   die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
+      unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
+   unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
+};
+
+use strict;
+use warnings FATAL => 'all';
+use English qw(-no_match_vars);
+use Test::More;
+
+use PerconaTest;
+use Sandbox;
+require "$trunk/bin/pt-table-sync";
+
+my $dp = new DSNParser(opts=>$dsn_opts);
+my $sb = new Sandbox(basedir => '/tmp', DSNParser => $dp);
+my $dbh = $sb->get_dbh_for('master');
+
+if ( !$dbh ) {
+   plan skip_all => 'Cannot connect to sandbox master';
+}
+else {
+   plan tests => 3;
+}
+
+my $output;
+
+# #############################################################################
+# Issue 965: mk-table-sync --trim can cause impossible WHERE, invalid SQL
+# #############################################################################
+$sb->wipe_clean($dbh);
+$sb->load_file('master', 't/pt-table-sync/samples/issue_965.sql');
+
+$output = output(
+   sub {
+      pt_table_sync::main(qw(--trim --print --execute -F /tmp/12345/my.sandbox.cnf),
+         'D=issue_965,t=t1', 'D=issue_965,t=t2')
+   },
+   trf => \&remove_traces,
+);
+
+is(
+   $output,
+"DELETE FROM `issue_965`.`t2` WHERE `b_ref`='aae' AND `r`='5' AND `o_i`='100' LIMIT 1;
+INSERT INTO `issue_965`.`t2`(`b_ref`, `r`, `o_i`, `r_s`) VALUES ('aae', '5', '1', '2010-03-29 14:44:00');
+",
+   "Correct SQL statements"
+);
+
+is_deeply(
+   $dbh->selectall_arrayref('select o_i from issue_965.t2 where b_ref="aae"'),
+   [[1]],
+   'Synced 2nd table'
+);
+
+# #############################################################################
+# Done.
+# #############################################################################
+$sb->wipe_clean($dbh);
+ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
+exit;